/* ============================================================
   Dashboard MuseAI — Design System
   Material Design Professional Theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  --md-primary: #5C35D9;
  --md-primary-dark: #3D1FA8;
  --md-primary-light: #7B57E8;
  --md-primary-surface: #EDE9FF;
  --md-secondary: #00BFA5;
  --md-on-primary: #FFFFFF;

  --md-surface: #FFFFFF;
  --md-surface-variant: #F4F2FB;
  --md-background: #F0EDF9;

  --md-on-surface: #1C1B1F;
  --md-on-surface-med: #49454F;
  --md-on-surface-low: #79747E;

  --md-outline: #CAC4D0;
  --md-outline-low: #E8E3F0;

  --md-error: #B3261E;
  --md-error-surface: #F9DEDC;

  --md-elevation-1: 0 1px 3px rgba(92, 53, 217, .08), 0 1px 2px rgba(92, 53, 217, .06);
  --md-elevation-2: 0 3px 8px rgba(92, 53, 217, .10), 0 1px 3px rgba(92, 53, 217, .06);
  --md-elevation-3: 0 6px 16px rgba(92, 53, 217, .12), 0 2px 6px rgba(92, 53, 217, .08);

  --md-radius-sm: 8px;
  --md-radius-md: 12px;
  --md-radius-lg: 20px;
  --md-radius-full: 9999px;

  --md-transition: 200ms cubic-bezier(0.2, 0, 0, 1);
}

/* ── Reset & Base ───────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Roboto', sans-serif;
  background-color: var(--md-background);
  color: var(--md-on-surface);
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

/* ── Header / AppBar ────────────────────────────────────── */
header {
  background: linear-gradient(135deg, var(--md-primary-dark) 0%, var(--md-primary) 60%, var(--md-primary-light) 100%);
  color: var(--md-on-primary);
  box-shadow: var(--md-elevation-3);
  position: relative;
  z-index: 100;
}

header h4 {
  font-weight: 600;
  letter-spacing: -.3px;
  font-size: 1.15rem;
}

header .material-icons {
  font-size: 1.4rem;
  opacity: .9;
}

/* Pulsante header (es. Digital Archive) */
header .btn-light {
  background: rgba(255, 255, 255, .15);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: var(--md-radius-full);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .3px;
  padding: 6px 16px;
  transition: background var(--md-transition), border-color var(--md-transition);
  backdrop-filter: blur(4px);
}

header .btn-light:hover {
  background: rgba(255, 255, 255, .28);
  border-color: rgba(255, 255, 255, .4);
  color: #fff;
}

/* ── Sidebar ────────────────────────────────────────────── */
nav.col-lg-4,
nav.col-xl-3 {
  background-color: var(--md-surface) !important;
  border-right: 1px solid var(--md-outline-low) !important;
}

.sidebar-content {
  overflow-y: auto;
  padding-right: 4px;
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
  border: 1px solid var(--md-outline-low) !important;
  border-radius: var(--md-radius-md) !important;
  box-shadow: var(--md-elevation-1) !important;
  background: var(--md-surface);
  transition: box-shadow var(--md-transition);
  margin-bottom: 1.25rem;
}

.card:hover {
  box-shadow: var(--md-elevation-2) !important;
}

.card-header {
  background-color: var(--md-surface-variant) !important;
  border-bottom: 1px solid var(--md-outline-low) !important;
  border-radius: var(--md-radius-md) var(--md-radius-md) 0 0 !important;
  font-weight: 600;
  font-size: .875rem;
  color: var(--md-primary-dark);
  letter-spacing: .2px;
  padding: 12px 16px;
}

.card-header .material-icons,
.card-header i.material-icons {
  color: var(--md-primary);
  font-size: 1.1rem;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn-primary {
  background-color: var(--md-primary) !important;
  border-color: var(--md-primary) !important;
  color: #fff !important;
  border-radius: var(--md-radius-full) !important;
  font-weight: 500;
  letter-spacing: .3px;
  transition: background var(--md-transition), box-shadow var(--md-transition), transform var(--md-transition);
  box-shadow: 0 2px 8px rgba(92, 53, 217, .3);
}

.btn-primary:hover {
  background-color: var(--md-primary-dark) !important;
  border-color: var(--md-primary-dark) !important;
  box-shadow: 0 4px 14px rgba(92, 53, 217, .4);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline-secondary {
  border-radius: var(--md-radius-full) !important;
  border-color: var(--md-outline);
  color: var(--md-on-surface-med);
  font-weight: 500;
  font-size: .85rem;
  transition: background var(--md-transition), border-color var(--md-transition);
}

.btn-outline-secondary:hover {
  background-color: var(--md-primary-surface);
  border-color: var(--md-primary);
  color: var(--md-primary);
}

.btn-danger {
  background-color: var(--md-error) !important;
  border-color: var(--md-error) !important;
  border-radius: var(--md-radius-sm) !important;
  transition: opacity var(--md-transition);
}

.btn-danger:hover {
  opacity: .85;
}

.btn-light {
  border-radius: var(--md-radius-full) !important;
  font-size: .82rem;
  font-weight: 500;
}

.btn-secondary {
  background-color: var(--md-on-surface-med) !important;
  border-color: var(--md-on-surface-med) !important;
  border-radius: var(--md-radius-full) !important;
  font-size: .82rem;
}

/* ── Form Controls ──────────────────────────────────────── */
.form-control,
.form-select {
  border-radius: var(--md-radius-sm) !important;
  border: 1.5px solid var(--md-outline);
  font-size: .9rem;
  color: var(--md-on-surface);
  background-color: var(--md-surface);
  transition: border-color var(--md-transition), box-shadow var(--md-transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--md-primary) !important;
  box-shadow: 0 0 0 3px rgba(92, 53, 217, .15) !important;
  outline: none;
}

.form-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--md-on-surface-med);
  letter-spacing: .4px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.form-range::-webkit-slider-thumb {
  background: var(--md-primary);
}

.form-range::-moz-range-thumb {
  background: var(--md-primary);
}

/* ── File List (Sidebar) ────────────────────────────────── */
.file-list-container {
  max-height: 500px;
  /* Aumentato per mostrare più elementi */
  overflow-y: auto;
  background-color: var(--md-surface-variant);
  border-radius: var(--md-radius-sm) !important;
  border: 1.5px solid var(--md-outline-low) !important;
  padding: 8px !important;
}

/* ── Chat Window ────────────────────────────────────────── */
.chat-window {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  background-color: var(--md-background);
  padding: 24px !important;
}

/* ── Messages ───────────────────────────────────────────── */
.message {
  display: flex;
  align-items: flex-end;
  margin-bottom: 20px;
  max-width: 78%;
  animation: fadeSlideIn 200ms ease-out both;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-content {
  padding: 13px 18px;
  border-radius: var(--md-radius-lg);
  word-wrap: break-word;
  font-size: .93rem;
  line-height: 1.55;
}

.user-message {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.user-message .message-content {
  background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-primary-light) 100%);
  color: #fff;
  border-bottom-right-radius: 4px;
  box-shadow: 0 2px 8px rgba(92, 53, 217, .25);
}

.bot-message {
  align-self: flex-start;
}

.bot-message .message-content {
  background-color: var(--md-surface);
  color: var(--md-on-surface);
  border-bottom-left-radius: 4px;
  border: 1px solid var(--md-outline-low);
  box-shadow: var(--md-elevation-1);
}

/* Markdown nel bot */
.bot-message .message-content p:last-child {
  margin-bottom: 0;
}

.bot-message .message-content ul,
.bot-message .message-content ol {
  padding-left: 20px;
}

.bot-message .message-content pre {
  background-color: #1E1B2E;
  color: #CDD6F4;
  padding: 1rem;
  border-radius: var(--md-radius-sm);
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: .82rem;
}

.bot-message .message-content code {
  background-color: var(--md-primary-surface);
  color: var(--md-primary-dark);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .85em;
}

.bot-message .message-content pre code {
  background-color: transparent;
  color: inherit;
  padding: 0;
}

/* ── Avatar ─────────────────────────────────────────────── */
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 10px;
  border: 2px solid var(--md-surface);
  box-shadow: var(--md-elevation-1);
}

/* ── Chat Input ─────────────────────────────────────────── */
.chat-input-area {
  position: sticky;
  bottom: 0;
  background: var(--md-surface) !important;
  border-top: 1px solid var(--md-outline-low) !important;
  padding: 14px 20px !important;
}

#message-input {
  border-radius: var(--md-radius-md) !important;
  border: 1.5px solid var(--md-outline);
  font-size: .93rem;
  padding: 12px 18px;
  background-color: var(--md-surface-variant);
  transition: border-color var(--md-transition), box-shadow var(--md-transition), background var(--md-transition);
  resize: none;
  min-height: 48px;
  max-height: 200px;
  overflow-y: auto;
  line-height: 1.5;
}

#message-input:focus {
  border-color: var(--md-primary) !important;
  box-shadow: 0 0 0 3px rgba(92, 53, 217, .15) !important;
  background-color: var(--md-surface);
}

#chat-form button[type="submit"] {
  border-radius: 50% !important;
  width: 50px;
  height: 50px;
  padding: 0;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-primary-light) 100%) !important;
  border: none !important;
  box-shadow: 0 3px 10px rgba(92, 53, 217, .35);
  transition: transform var(--md-transition), box-shadow var(--md-transition);
}

#chat-form button[type="submit"]:hover {
  transform: scale(1.08);
  box-shadow: 0 5px 16px rgba(92, 53, 217, .45);
}

/* ── Tables ─────────────────────────────────────────────── */
.table {
  font-size: .88rem;
  color: var(--md-on-surface);
}

.table thead th {
  color: var(--md-primary-dark);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .6px;
  text-transform: uppercase;
  border-bottom: 2px solid var(--md-outline-low);
  padding: 12px 16px;
  background: var(--md-surface-variant);
}

.table tbody td {
  padding: 11px 16px;
  vertical-align: middle;
  border-bottom: 1px solid var(--md-outline-low);
}

.table-hover tbody tr:hover {
  background-color: var(--md-primary-surface) !important;
  transition: background var(--md-transition);
}

/* ── Badges ─────────────────────────────────────────────── */
.badge.bg-secondary {
  background-color: var(--md-on-surface-med) !important;
  font-weight: 400;
  border-radius: var(--md-radius-sm);
  font-size: .75rem;
}

.badge.bg-info {
  background-color: var(--md-primary-surface) !important;
  color: var(--md-primary-dark) !important;
  border-radius: var(--md-radius-sm);
}

/* Wrap per badge con ID lunghi */
.wrap-text {
  white-space: normal !important;
  word-break: break-all;
  max-width: 180px;
  display: inline-block;
}

/* ── <pre> generale (risultati API) ─────────────────────── */
pre {
  background: #1E1B2E;
  color: #CDD6F4;
  padding: 1em 1.2em;
  border-radius: var(--md-radius-md);
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: .82rem;
  border: 1px solid rgba(92, 53, 217, .15);
}

/* ── Modal ──────────────────────────────────────────────── */
.modal-content {
  border-radius: var(--md-radius-md);
  border: none;
  box-shadow: var(--md-elevation-3);
}

.modal-header {
  border-bottom: 1px solid var(--md-outline-low);
  background: var(--md-surface-variant);
  border-radius: var(--md-radius-md) var(--md-radius-md) 0 0;
  font-weight: 600;
  color: var(--md-primary-dark);
}

.modal-footer {
  border-top: 1px solid var(--md-outline-low);
}

/* ── Upload Page — Breadcrumb bar ───────────────────────── */
.museai-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding: 10px 0;
}

.museai-brand-label {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--md-primary);
  opacity: .7;
}

/* ── Upload Page — Page title ───────────────────────────── */
.museai-page-title {
  text-align: center;
  margin-bottom: 40px;
}

.museai-page-title h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--md-primary-dark);
  letter-spacing: -.5px;
}

.museai-page-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--md-primary), var(--md-primary-light));
  border-radius: 2px;
  margin: 10px auto 0;
}

/* ── Page Header (Feedback, Settings, Upload) ───────────── */
.fb-page-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

.fb-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--md-radius-md);
  background: linear-gradient(135deg, var(--md-primary-dark), var(--md-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(92, 53, 217, .35);
  flex-shrink: 0;
}

.fb-icon-wrap .material-icons {
  color: #fff;
  font-size: 1.6rem;
}

.fb-page-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--md-primary-dark);
  margin: 0;
  letter-spacing: -.4px;
}

.fb-page-header p {
  font-size: .88rem;
  color: var(--md-on-surface-med);
  margin: 2px 0 0;
}

/* ── Page Container (Shared) ────────────────────────────── */
.page-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

/* ── Agent Cards (Settings) ────────────────────────────── */
.agent-card {
  border-left: 4px solid var(--md-primary);
  margin-bottom: 1rem;
}

.api-key-box {
  background: var(--md-surface-variant);
  padding: 8px 12px;
  border-radius: 6px;
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--md-on-surface);
  word-break: break-all;
  border: 1px solid var(--md-outline-low);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Upload Page — Body bg ──────────────────────────────── */
body.upload-page {
  background-color: var(--md-background);
  min-height: 100vh;
}

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--md-outline);
  border-radius: var(--md-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--md-primary-light);
}